Answer:

Step-by-step explanation:
difference in x = 7
difference in y = -30
using Pythagoras, distance =
=
= 
(but I don't understand what the nearest tenth part means)
Answer:
B
Step-by-step explanation:
It’s b because tempo is a steady beat to anything but only if consistent
Answer:
13.5
Step-by-step explanation:
Average rate of change=(f(2)-f(1))/1=-18/2^2-(-18))=13.5
The answer is (0,-4) and (0,5)